# Server Sys vs Liquid Apollo

The clearest difference is price: Liquid Apollo at Free against Server Sys's $8.99. Liquid Apollo also leads on update cadence (every 10 days vs every 12 months). Server Sys's advantage is iOS requirement (14.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Liquid Apollo is free to download; Server Sys costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Server Sys ships an update every 12 months, Liquid Apollo every 10 days. The most recent releases landed on December 1, 2025 and October 5, 2026 respectively.

## The numbers

| Metric | Server Sys | Liquid Apollo |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | — | **[4.5 (649 ratings)](https://appshunter.io/ios/app/liquid-apollo/id6448019325/reviews)** |
| Number of ratings | — | **649** |
| Positive reviews | — | 68.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 18 MB | 162 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 12+ |
| Developer | [瑞 张](https://appshunter.io/developer/1589446576) | [Liquid AI, Inc.](https://appshunter.io/developer/1772686878) |

## What reviewers say

### Server Sys

[App page](https://appshunter.io/ios/app/server-sys/id1589446574)

**Features:** macOS Compatibility

**In-app purchases:** none


### Liquid Apollo

[App page](https://appshunter.io/ios/app/liquid-apollo/id6448019325)

Access a wide range of AI language models, both locally on your device and through cloud APIs. This app allows you to chat with open-source models, connect to your own hosted LLMs, or utilize services like OpenRouter for broad model access.

**Highlights:** Local LLM support, OpenRouter integration, Custom backend connections, Private AI chat, Access to open-source models, Connect to hosted LLMs

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app
- 🚀 Works well with OpenRouter
- 🚀 Excellent for running local models
- 🚀 Convenient one-time purchase
- 🚀 Clean and intuitive UI

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Glitches when editing messages
- 🐛 Inconsistent message formatting
- 🐛 Slow performance with larger conversations
- 🔒 Unable to disable app transport security

**Reported bugs**

- Unable to download Liquid Models
- Deleted locally installed models
- OpenRouter support crashes the app
- Voice list doesn't load all available voices
- Backspace lag leading to unintended text deletion

**Requested features**

- Add support for more open-source models (e.g. Gemma 3)
- Implement image generation and upload functionality
- Allow scheduling of asynchronous tasks
- Integrate with Hugging Face model repository
- Provide built-in prompt library


## Frequently asked questions

### Is Server Sys free?

Server Sys costs $8.99, with no in-app purchases.

### Is Liquid Apollo free?

Liquid Apollo is free to download, with no in-app purchases.

### Do Server Sys or Liquid Apollo have ads?

Neither Server Sys nor Liquid Apollo shows ads.

### Which is updated more often, Server Sys or Liquid Apollo?

Server Sys ships an update every 12 months, and Liquid Apollo every 10 days. Most recently, Server Sys was updated on December 1, 2025 and Liquid Apollo on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*